2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>

	* config/s390/s390.c (override_options): Adjust the z10
          defaults for max-unroll-times, max-completely-peeled-insns
          and max-completely-peel-times.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158122 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a2273b2..8eacd46 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
+
+       * config/s390/s390.c (override_options): Adjust the z10
+          defaults for max-unroll-times, max-completely-peeled-insns
+          and max-completely-peel-times.
+
 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
        * config/s390/s390.c (s390_expand_movmem): Issue prefetch

diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index b660e36..a3783f0 100644 (file)
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -1664,19 +1664,6 @@ override_options (void)
     }
 
   set_param_value ("max-pending-list-length", 256);
-  /* values for loop prefetching */
-  set_param_value ("l1-cache-line-size", 256);
-  if (!PARAM_SET_P (PARAM_L1_CACHE_SIZE))
-    set_param_value ("l1-cache-size", 128);
-  /* s390 has more than 2 levels and the size is much larger.  Since
-     we are always running virtualized assume that we only get a small
-     part of the caches above l1.  */
-  if (!PARAM_SET_P (PARAM_L2_CACHE_SIZE))
-    set_param_value ("l2-cache-size", 1500);
-  if (!PARAM_SET_P (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO))
-    set_param_value ("prefetch-min-insn-to-mem-ratio", 2);
-  if (!PARAM_SET_P (PARAM_SIMULTANEOUS_PREFETCHES))
-    set_param_value ("simultaneous-prefetches", 6);
 }
 
 /* Map for smallest class containing reg regno.  */